Time and Work – Multiple Choice Questions (MCQs)

25. Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If both the pipes are opened together, in what time will the tank be full?
- A. 10 min
- B. 12 min
- C. 15 min
- D. 25 min
26. A tap can fill a tank in 15 hours. Due to a leak in the bottom, it takes 20 hours to fill the tank. How much time will the leak take to empty the full tank?
- A. 40 hours
- B. 50 hours
- C. 60 hours
- D. 70 hours
27. Three pipes A, B, and C can fill a tank in 6 hours, 4 hours, and 12 hours respectively. If all the pipes are opened together, then the tank can be filled in:
- A. 2 hours
- B. 3 hours
- C. 4 hours
- D. 5 hours
28. A and B can complete a work in 12 days and 15 days respectively. A starts the work alone and after 4 days B joins him. In how many more days will the work be completed?
- A. 4 days
- B. 5 days
- C. 6 days
- D. 8 days
29. If 6 men and 8 boys can do a piece of work in 10 days, and 26 men and 48 boys can do the same work in 2 days, then the time taken by 15 men and 20 boys to do the same type of work will be:
- A. 4 days
- B. 5 days
- C. 6 days
- D. 8 days
30. P is thrice as efficient as Q. P can complete a piece of work in 60 days less than Q. In how many days can P and Q together complete the work?
- A. 20 days
- B. 22.5 days
- C. 25 days
- D. 30 days
31. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, and A and C together can do it in 2 hours. How long will B alone take to do it?
- A. 8 hours
- B. 10 hours
- C. 12 hours
- D. 24 hours
32. A pump can fill a tank in 2 hours. Due to a leak in the bottom, it takes 2 1/3 hours to fill the tank. What is the time taken by the leak to empty the full tank?
- A. 7 hours
- B. 8 hours
- C. 14 hours
- D. 16 hours
33. If 1 man or 2 women or 3 boys can do a piece of work in 88 days, then how many days will 1 man, 1 woman, and 1 boy together take to do the same work?
- A. 48 days
- B. 36 days
- C. 42 days
- D. 32 days
34. A and B working together can do a piece of work in 4.5 hours. B and C working together can do it in 6 hours. C and A working together can do it in 5 hours. How long will A alone take to do the work?
- A. 5 hours
- B. 10 hours
- C. 7.5 hours
- D. 9 hours
35. A contractor undertakes to build a road in 40 days and employs 25 men. After 24 days, he finds that only 1/3 of the road is built. How many extra men should he employ so that he is able to complete the work 4 days earlier?
- A. 10
- B. 20
- C. 25
- D. 30
36. A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the third pipe alone fills it. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe alone to fill the tank is:
- A. 6 hours
- B. 10 hours
- C. 15 hours
- D. 20 hours

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AllInfoHub – MCQ Practice

Time and Work – Multiple Choice Questions (MCQs)

25. Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If both the pipes are opened together, in what time will the tank be full?

26. A tap can fill a tank in 15 hours. Due to a leak in the bottom, it takes 20 hours to fill the tank. How much time will the leak take to empty the full tank?

27. Three pipes A, B, and C can fill a tank in 6 hours, 4 hours, and 12 hours respectively. If all the pipes are opened together, then the tank can be filled in:

28. A and B can complete a work in 12 days and 15 days respectively. A starts the work alone and after 4 days B joins him. In how many more days will the work be completed?

29. If 6 men and 8 boys can do a piece of work in 10 days, and 26 men and 48 boys can do the same work in 2 days, then the time taken by 15 men and 20 boys to do the same type of work will be:

30. P is thrice as efficient as Q. P can complete a piece of work in 60 days less than Q. In how many days can P and Q together complete the work?

31. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, and A and C together can do it in 2 hours. How long will B alone take to do it?

32. A pump can fill a tank in 2 hours. Due to a leak in the bottom, it takes 2 1/3 hours to fill the tank. What is the time taken by the leak to empty the full tank?

33. If 1 man or 2 women or 3 boys can do a piece of work in 88 days, then how many days will 1 man, 1 woman, and 1 boy together take to do the same work?

34. A and B working together can do a piece of work in 4.5 hours. B and C working together can do it in 6 hours. C and A working together can do it in 5 hours. How long will A alone take to do the work?

35. A contractor undertakes to build a road in 40 days and employs 25 men. After 24 days, he finds that only 1/3 of the road is built. How many extra men should he employ so that he is able to complete the work 4 days earlier?

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